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. 2021 Jun 28;12:3985. doi: 10.1038/s41467-021-23286-7

Fig. 3. The GOE can be triggered by a decline in the influx of iron(II) and is gradual if b > c(a − 1).

Fig. 3

Equilibrium E1 (APB dominate) loses stability and Equilibrium E2 (cyanobacteria dominate) gains stability when f1 drops below f1* and f1, respectively. We set f2 = 80, c = 10, a = 10, b = 100, and u1 = u2 = 10−3. a We simulate Eqs. (8) from Supplementary Note 1 with α1 = α2 = β1 = β2 = 1, and we set f1 = 100 − 40(t/105). t* denotes the time at which Equilibrium E1 loses stability. b There is stable coexistence of both types of bacteria for f1<f1<f1*.